Home / 1,017,390.70-1,404,065.55-587,688.94

Finding the Fourth Proportional to 1,017,390.70, 1,404,065.55 and 587,688.94

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Solution

The fourth proportional to 1,017,390.70, 1,404,065.55 and 587,688.94 is: 811,049.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,390.70 : 1,404,065.55 = 587,688.94 : x
  2. Step 2: Convert to fraction form
    1,017,390.70/1,404,065.55 = 587,688.94/x
  3. Step 3: Cross multiply
    1,017,390.70x = 1,404,065.55 × 587,688.94
  4. Step 4: Simplify right side
    1,017,390.70x = 825,153,794,770.02
  5. Step 5: Solve for x
    x = 825,153,794,770.02/1,017,390.70
  6. Step 6: Final answer
    x = 811,049.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.